Without delay, let's solve this. We've got 25 and we will be multiplying it by 481, that is, adding 25 to itself 481 times.
Step 1: 0 + 25 = 25
Step 2: 25 + 25 = 50
Step 3: 50 + 25 = 75
Step 4: 75 + 25 = 100
Step 5: 100 + 25 = 125
Step 6: 125 + 25 = 150
Step 7: 150 + 25 = 175
Step 8: 175 + 25 = 200
Step 9: 200 + 25 = 225
Step 10: 225 + 25 = 250
Step 11: 250 + 25 = 275
Step 12: 275 + 25 = 300
Step 13: 300 + 25 = 325
Step 14: 325 + 25 = 350
Step 15: 350 + 25 = 375
Step 16: 375 + 25 = 400
Step 17: 400 + 25 = 425
Step 18: 425 + 25 = 450
Step 19: 450 + 25 = 475
Step 20: 475 + 25 = 500
Step 21: 500 + 25 = 525
Step 22: 525 + 25 = 550
Step 23: 550 + 25 = 575
Step 24: 575 + 25 = 600
Step 25: 600 + 25 = 625
Step 26: 625 + 25 = 650
Step 27: 650 + 25 = 675
Step 28: 675 + 25 = 700
Step 29: 700 + 25 = 725
Step 30: 725 + 25 = 750
Step 31: 750 + 25 = 775
Step 32: 775 + 25 = 800
Step 33: 800 + 25 = 825
Step 34: 825 + 25 = 850
Step 35: 850 + 25 = 875
Step 36: 875 + 25 = 900
Step 37: 900 + 25 = 925
Step 38: 925 + 25 = 950
Step 39: 950 + 25 = 975
Step 40: 975 + 25 = 1000
Step 41: 1000 + 25 = 1025
Step 42: 1025 + 25 = 1050
Step 43: 1050 + 25 = 1075
Step 44: 1075 + 25 = 1100
Step 45: 1100 + 25 = 1125
Step 46: 1125 + 25 = 1150
Step 47: 1150 + 25 = 1175
Step 48: 1175 + 25 = 1200
Step 49: 1200 + 25 = 1225
Step 50: 1225 + 25 = 1250
Step 51: 1250 + 25 = 1275
Step 52: 1275 + 25 = 1300
Step 53: 1300 + 25 = 1325
Step 54: 1325 + 25 = 1350
Step 55: 1350 + 25 = 1375
Step 56: 1375 + 25 = 1400
Step 57: 1400 + 25 = 1425
Step 58: 1425 + 25 = 1450
Step 59: 1450 + 25 = 1475
Step 60: 1475 + 25 = 1500
Step 61: 1500 + 25 = 1525
Step 62: 1525 + 25 = 1550
Step 63: 1550 + 25 = 1575
Step 64: 1575 + 25 = 1600
Step 65: 1600 + 25 = 1625
Step 66: 1625 + 25 = 1650
Step 67: 1650 + 25 = 1675
Step 68: 1675 + 25 = 1700
Step 69: 1700 + 25 = 1725
Step 70: 1725 + 25 = 1750
Step 71: 1750 + 25 = 1775
Step 72: 1775 + 25 = 1800
Step 73: 1800 + 25 = 1825
Step 74: 1825 + 25 = 1850
Step 75: 1850 + 25 = 1875
Step 76: 1875 + 25 = 1900
Step 77: 1900 + 25 = 1925
Step 78: 1925 + 25 = 1950
Step 79: 1950 + 25 = 1975
Step 80: 1975 + 25 = 2000
Step 81: 2000 + 25 = 2025
Step 82: 2025 + 25 = 2050
Step 83: 2050 + 25 = 2075
Step 84: 2075 + 25 = 2100
Step 85: 2100 + 25 = 2125
Step 86: 2125 + 25 = 2150
Step 87: 2150 + 25 = 2175
Step 88: 2175 + 25 = 2200
Step 89: 2200 + 25 = 2225
Step 90: 2225 + 25 = 2250
Step 91: 2250 + 25 = 2275
Step 92: 2275 + 25 = 2300
Step 93: 2300 + 25 = 2325
Step 94: 2325 + 25 = 2350
Step 95: 2350 + 25 = 2375
Step 96: 2375 + 25 = 2400
Step 97: 2400 + 25 = 2425
Step 98: 2425 + 25 = 2450
Step 99: 2450 + 25 = 2475
Step 100: 2475 + 25 = 2500
Step 101: 2500 + 25 = 2525
Step 102: 2525 + 25 = 2550
Step 103: 2550 + 25 = 2575
Step 104: 2575 + 25 = 2600
Step 105: 2600 + 25 = 2625
Step 106: 2625 + 25 = 2650
Step 107: 2650 + 25 = 2675
Step 108: 2675 + 25 = 2700
Step 109: 2700 + 25 = 2725
Step 110: 2725 + 25 = 2750
Step 111: 2750 + 25 = 2775
Step 112: 2775 + 25 = 2800
Step 113: 2800 + 25 = 2825
Step 114: 2825 + 25 = 2850
Step 115: 2850 + 25 = 2875
Step 116: 2875 + 25 = 2900
Step 117: 2900 + 25 = 2925
Step 118: 2925 + 25 = 2950
Step 119: 2950 + 25 = 2975
Step 120: 2975 + 25 = 3000
Step 121: 3000 + 25 = 3025
Step 122: 3025 + 25 = 3050
Step 123: 3050 + 25 = 3075
Step 124: 3075 + 25 = 3100
Step 125: 3100 + 25 = 3125
Step 126: 3125 + 25 = 3150
Step 127: 3150 + 25 = 3175
Step 128: 3175 + 25 = 3200
Step 129: 3200 + 25 = 3225
Step 130: 3225 + 25 = 3250
Step 131: 3250 + 25 = 3275
Step 132: 3275 + 25 = 3300
Step 133: 3300 + 25 = 3325
Step 134: 3325 + 25 = 3350
Step 135: 3350 + 25 = 3375
Step 136: 3375 + 25 = 3400
Step 137: 3400 + 25 = 3425
Step 138: 3425 + 25 = 3450
Step 139: 3450 + 25 = 3475
Step 140: 3475 + 25 = 3500
Step 141: 3500 + 25 = 3525
Step 142: 3525 + 25 = 3550
Step 143: 3550 + 25 = 3575
Step 144: 3575 + 25 = 3600
Step 145: 3600 + 25 = 3625
Step 146: 3625 + 25 = 3650
Step 147: 3650 + 25 = 3675
Step 148: 3675 + 25 = 3700
Step 149: 3700 + 25 = 3725
Step 150: 3725 + 25 = 3750
Step 151: 3750 + 25 = 3775
Step 152: 3775 + 25 = 3800
Step 153: 3800 + 25 = 3825
Step 154: 3825 + 25 = 3850
Step 155: 3850 + 25 = 3875
Step 156: 3875 + 25 = 3900
Step 157: 3900 + 25 = 3925
Step 158: 3925 + 25 = 3950
Step 159: 3950 + 25 = 3975
Step 160: 3975 + 25 = 4000
Step 161: 4000 + 25 = 4025
Step 162: 4025 + 25 = 4050
Step 163: 4050 + 25 = 4075
Step 164: 4075 + 25 = 4100
Step 165: 4100 + 25 = 4125
Step 166: 4125 + 25 = 4150
Step 167: 4150 + 25 = 4175
Step 168: 4175 + 25 = 4200
Step 169: 4200 + 25 = 4225
Step 170: 4225 + 25 = 4250
Step 171: 4250 + 25 = 4275
Step 172: 4275 + 25 = 4300
Step 173: 4300 + 25 = 4325
Step 174: 4325 + 25 = 4350
Step 175: 4350 + 25 = 4375
Step 176: 4375 + 25 = 4400
Step 177: 4400 + 25 = 4425
Step 178: 4425 + 25 = 4450
Step 179: 4450 + 25 = 4475
Step 180: 4475 + 25 = 4500
Step 181: 4500 + 25 = 4525
Step 182: 4525 + 25 = 4550
Step 183: 4550 + 25 = 4575
Step 184: 4575 + 25 = 4600
Step 185: 4600 + 25 = 4625
Step 186: 4625 + 25 = 4650
Step 187: 4650 + 25 = 4675
Step 188: 4675 + 25 = 4700
Step 189: 4700 + 25 = 4725
Step 190: 4725 + 25 = 4750
Step 191: 4750 + 25 = 4775
Step 192: 4775 + 25 = 4800
Step 193: 4800 + 25 = 4825
Step 194: 4825 + 25 = 4850
Step 195: 4850 + 25 = 4875
Step 196: 4875 + 25 = 4900
Step 197: 4900 + 25 = 4925
Step 198: 4925 + 25 = 4950
Step 199: 4950 + 25 = 4975
Step 200: 4975 + 25 = 5000
Step 201: 5000 + 25 = 5025
Step 202: 5025 + 25 = 5050
Step 203: 5050 + 25 = 5075
Step 204: 5075 + 25 = 5100
Step 205: 5100 + 25 = 5125
Step 206: 5125 + 25 = 5150
Step 207: 5150 + 25 = 5175
Step 208: 5175 + 25 = 5200
Step 209: 5200 + 25 = 5225
Step 210: 5225 + 25 = 5250
Step 211: 5250 + 25 = 5275
Step 212: 5275 + 25 = 5300
Step 213: 5300 + 25 = 5325
Step 214: 5325 + 25 = 5350
Step 215: 5350 + 25 = 5375
Step 216: 5375 + 25 = 5400
Step 217: 5400 + 25 = 5425
Step 218: 5425 + 25 = 5450
Step 219: 5450 + 25 = 5475
Step 220: 5475 + 25 = 5500
Step 221: 5500 + 25 = 5525
Step 222: 5525 + 25 = 5550
Step 223: 5550 + 25 = 5575
Step 224: 5575 + 25 = 5600
Step 225: 5600 + 25 = 5625
Step 226: 5625 + 25 = 5650
Step 227: 5650 + 25 = 5675
Step 228: 5675 + 25 = 5700
Step 229: 5700 + 25 = 5725
Step 230: 5725 + 25 = 5750
Step 231: 5750 + 25 = 5775
Step 232: 5775 + 25 = 5800
Step 233: 5800 + 25 = 5825
Step 234: 5825 + 25 = 5850
Step 235: 5850 + 25 = 5875
Step 236: 5875 + 25 = 5900
Step 237: 5900 + 25 = 5925
Step 238: 5925 + 25 = 5950
Step 239: 5950 + 25 = 5975
Step 240: 5975 + 25 = 6000
Step 241: 6000 + 25 = 6025
Step 242: 6025 + 25 = 6050
Step 243: 6050 + 25 = 6075
Step 244: 6075 + 25 = 6100
Step 245: 6100 + 25 = 6125
Step 246: 6125 + 25 = 6150
Step 247: 6150 + 25 = 6175
Step 248: 6175 + 25 = 6200
Step 249: 6200 + 25 = 6225
Step 250: 6225 + 25 = 6250
Step 251: 6250 + 25 = 6275
Step 252: 6275 + 25 = 6300
Step 253: 6300 + 25 = 6325
Step 254: 6325 + 25 = 6350
Step 255: 6350 + 25 = 6375
Step 256: 6375 + 25 = 6400
Step 257: 6400 + 25 = 6425
Step 258: 6425 + 25 = 6450
Step 259: 6450 + 25 = 6475
Step 260: 6475 + 25 = 6500
Step 261: 6500 + 25 = 6525
Step 262: 6525 + 25 = 6550
Step 263: 6550 + 25 = 6575
Step 264: 6575 + 25 = 6600
Step 265: 6600 + 25 = 6625
Step 266: 6625 + 25 = 6650
Step 267: 6650 + 25 = 6675
Step 268: 6675 + 25 = 6700
Step 269: 6700 + 25 = 6725
Step 270: 6725 + 25 = 6750
Step 271: 6750 + 25 = 6775
Step 272: 6775 + 25 = 6800
Step 273: 6800 + 25 = 6825
Step 274: 6825 + 25 = 6850
Step 275: 6850 + 25 = 6875
Step 276: 6875 + 25 = 6900
Step 277: 6900 + 25 = 6925
Step 278: 6925 + 25 = 6950
Step 279: 6950 + 25 = 6975
Step 280: 6975 + 25 = 7000
Step 281: 7000 + 25 = 7025
Step 282: 7025 + 25 = 7050
Step 283: 7050 + 25 = 7075
Step 284: 7075 + 25 = 7100
Step 285: 7100 + 25 = 7125
Step 286: 7125 + 25 = 7150
Step 287: 7150 + 25 = 7175
Step 288: 7175 + 25 = 7200
Step 289: 7200 + 25 = 7225
Step 290: 7225 + 25 = 7250
Step 291: 7250 + 25 = 7275
Step 292: 7275 + 25 = 7300
Step 293: 7300 + 25 = 7325
Step 294: 7325 + 25 = 7350
Step 295: 7350 + 25 = 7375
Step 296: 7375 + 25 = 7400
Step 297: 7400 + 25 = 7425
Step 298: 7425 + 25 = 7450
Step 299: 7450 + 25 = 7475
Step 300: 7475 + 25 = 7500
Step 301: 7500 + 25 = 7525
Step 302: 7525 + 25 = 7550
Step 303: 7550 + 25 = 7575
Step 304: 7575 + 25 = 7600
Step 305: 7600 + 25 = 7625
Step 306: 7625 + 25 = 7650
Step 307: 7650 + 25 = 7675
Step 308: 7675 + 25 = 7700
Step 309: 7700 + 25 = 7725
Step 310: 7725 + 25 = 7750
Step 311: 7750 + 25 = 7775
Step 312: 7775 + 25 = 7800
Step 313: 7800 + 25 = 7825
Step 314: 7825 + 25 = 7850
Step 315: 7850 + 25 = 7875
Step 316: 7875 + 25 = 7900
Step 317: 7900 + 25 = 7925
Step 318: 7925 + 25 = 7950
Step 319: 7950 + 25 = 7975
Step 320: 7975 + 25 = 8000
Step 321: 8000 + 25 = 8025
Step 322: 8025 + 25 = 8050
Step 323: 8050 + 25 = 8075
Step 324: 8075 + 25 = 8100
Step 325: 8100 + 25 = 8125
Step 326: 8125 + 25 = 8150
Step 327: 8150 + 25 = 8175
Step 328: 8175 + 25 = 8200
Step 329: 8200 + 25 = 8225
Step 330: 8225 + 25 = 8250
Step 331: 8250 + 25 = 8275
Step 332: 8275 + 25 = 8300
Step 333: 8300 + 25 = 8325
Step 334: 8325 + 25 = 8350
Step 335: 8350 + 25 = 8375
Step 336: 8375 + 25 = 8400
Step 337: 8400 + 25 = 8425
Step 338: 8425 + 25 = 8450
Step 339: 8450 + 25 = 8475
Step 340: 8475 + 25 = 8500
Step 341: 8500 + 25 = 8525
Step 342: 8525 + 25 = 8550
Step 343: 8550 + 25 = 8575
Step 344: 8575 + 25 = 8600
Step 345: 8600 + 25 = 8625
Step 346: 8625 + 25 = 8650
Step 347: 8650 + 25 = 8675
Step 348: 8675 + 25 = 8700
Step 349: 8700 + 25 = 8725
Step 350: 8725 + 25 = 8750
Step 351: 8750 + 25 = 8775
Step 352: 8775 + 25 = 8800
Step 353: 8800 + 25 = 8825
Step 354: 8825 + 25 = 8850
Step 355: 8850 + 25 = 8875
Step 356: 8875 + 25 = 8900
Step 357: 8900 + 25 = 8925
Step 358: 8925 + 25 = 8950
Step 359: 8950 + 25 = 8975
Step 360: 8975 + 25 = 9000
Step 361: 9000 + 25 = 9025
Step 362: 9025 + 25 = 9050
Step 363: 9050 + 25 = 9075
Step 364: 9075 + 25 = 9100
Step 365: 9100 + 25 = 9125
Step 366: 9125 + 25 = 9150
Step 367: 9150 + 25 = 9175
Step 368: 9175 + 25 = 9200
Step 369: 9200 + 25 = 9225
Step 370: 9225 + 25 = 9250
Step 371: 9250 + 25 = 9275
Step 372: 9275 + 25 = 9300
Step 373: 9300 + 25 = 9325
Step 374: 9325 + 25 = 9350
Step 375: 9350 + 25 = 9375
Step 376: 9375 + 25 = 9400
Step 377: 9400 + 25 = 9425
Step 378: 9425 + 25 = 9450
Step 379: 9450 + 25 = 9475
Step 380: 9475 + 25 = 9500
Step 381: 9500 + 25 = 9525
Step 382: 9525 + 25 = 9550
Step 383: 9550 + 25 = 9575
Step 384: 9575 + 25 = 9600
Step 385: 9600 + 25 = 9625
Step 386: 9625 + 25 = 9650
Step 387: 9650 + 25 = 9675
Step 388: 9675 + 25 = 9700
Step 389: 9700 + 25 = 9725
Step 390: 9725 + 25 = 9750
Step 391: 9750 + 25 = 9775
Step 392: 9775 + 25 = 9800
Step 393: 9800 + 25 = 9825
Step 394: 9825 + 25 = 9850
Step 395: 9850 + 25 = 9875
Step 396: 9875 + 25 = 9900
Step 397: 9900 + 25 = 9925
Step 398: 9925 + 25 = 9950
Step 399: 9950 + 25 = 9975
Step 400: 9975 + 25 = 10000
Step 401: 10000 + 25 = 10025
Step 402: 10025 + 25 = 10050
Step 403: 10050 + 25 = 10075
Step 404: 10075 + 25 = 10100
Step 405: 10100 + 25 = 10125
Step 406: 10125 + 25 = 10150
Step 407: 10150 + 25 = 10175
Step 408: 10175 + 25 = 10200
Step 409: 10200 + 25 = 10225
Step 410: 10225 + 25 = 10250
Step 411: 10250 + 25 = 10275
Step 412: 10275 + 25 = 10300
Step 413: 10300 + 25 = 10325
Step 414: 10325 + 25 = 10350
Step 415: 10350 + 25 = 10375
Step 416: 10375 + 25 = 10400
Step 417: 10400 + 25 = 10425
Step 418: 10425 + 25 = 10450
Step 419: 10450 + 25 = 10475
Step 420: 10475 + 25 = 10500
Step 421: 10500 + 25 = 10525
Step 422: 10525 + 25 = 10550
Step 423: 10550 + 25 = 10575
Step 424: 10575 + 25 = 10600
Step 425: 10600 + 25 = 10625
Step 426: 10625 + 25 = 10650
Step 427: 10650 + 25 = 10675
Step 428: 10675 + 25 = 10700
Step 429: 10700 + 25 = 10725
Step 430: 10725 + 25 = 10750
Step 431: 10750 + 25 = 10775
Step 432: 10775 + 25 = 10800
Step 433: 10800 + 25 = 10825
Step 434: 10825 + 25 = 10850
Step 435: 10850 + 25 = 10875
Step 436: 10875 + 25 = 10900
Step 437: 10900 + 25 = 10925
Step 438: 10925 + 25 = 10950
Step 439: 10950 + 25 = 10975
Step 440: 10975 + 25 = 11000
Step 441: 11000 + 25 = 11025
Step 442: 11025 + 25 = 11050
Step 443: 11050 + 25 = 11075
Step 444: 11075 + 25 = 11100
Step 445: 11100 + 25 = 11125
Step 446: 11125 + 25 = 11150
Step 447: 11150 + 25 = 11175
Step 448: 11175 + 25 = 11200
Step 449: 11200 + 25 = 11225
Step 450: 11225 + 25 = 11250
Step 451: 11250 + 25 = 11275
Step 452: 11275 + 25 = 11300
Step 453: 11300 + 25 = 11325
Step 454: 11325 + 25 = 11350
Step 455: 11350 + 25 = 11375
Step 456: 11375 + 25 = 11400
Step 457: 11400 + 25 = 11425
Step 458: 11425 + 25 = 11450
Step 459: 11450 + 25 = 11475
Step 460: 11475 + 25 = 11500
Step 461: 11500 + 25 = 11525
Step 462: 11525 + 25 = 11550
Step 463: 11550 + 25 = 11575
Step 464: 11575 + 25 = 11600
Step 465: 11600 + 25 = 11625
Step 466: 11625 + 25 = 11650
Step 467: 11650 + 25 = 11675
Step 468: 11675 + 25 = 11700
Step 469: 11700 + 25 = 11725
Step 470: 11725 + 25 = 11750
Step 471: 11750 + 25 = 11775
Step 472: 11775 + 25 = 11800
Step 473: 11800 + 25 = 11825
Step 474: 11825 + 25 = 11850
Step 475: 11850 + 25 = 11875
Step 476: 11875 + 25 = 11900
Step 477: 11900 + 25 = 11925
Step 478: 11925 + 25 = 11950
Step 479: 11950 + 25 = 11975
Step 480: 11975 + 25 = 12000
Step 481: 12000 + 25 = 12025

So, 25*481 = 12025